CVE-2026-20912
Gitea: Cross-Repository Authorization Bypass via Release Attachment Linking Leads to Private Attachment Disclosure
Description
Gitea does not properly validate repository ownership when linking attachments to releases. An attachment uploaded to a private repository could potentially be linked to a release in a different public repository, making it accessible to unauthorized users.
No summary for this CVE yet.
CVSS Vector Breakdown
Exploitability
AV:NAttack VectorNetwork
AC:LAttack ComplexityLow
PR:NPrivileges RequiredNone
UI:NUser InteractionNone
Scope
S:UScopeUnchanged
Impact
C:HConfidentialityHigh
I:HIntegrityHigh
A:NAvailabilityNone
Weaknesses
Affected Products
Gitea
oss-projectaka gitea open source git server
Go
package-ecosystem
Exploitability
Official Patch Available
Attack Graph
Products CVE Techniques Tactics
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MITRE ATT&CK
1 technique Initial Access
References
https://github.com/go-gitea/gitea/security/advisories/GHSA-vfmv-f93v-37mw
github.com
https://github.com/go-gitea/gitea/pull/36320
github.com
https://github.com/go-gitea/gitea/pull/36355
github.com
and 9 more references View all →
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